Artificial intelligence has exploded in popularity in recent years, and many proponents are excited about its potential uses in medicine: for example, processing samples quickly or identifying markers ...

Abstract: This paper proposes a pre-processing encryption then hiding scheme that enhances image security in steganography. The method combines a Walsh code with switched linear system encryption, ...

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Abstract: A direction-of-arrival (DOA) estimation approach for multiple incident signals is proposed based on space-timecoding (STC) digital metasurfaces. The STC metasurface modulates the incident ...